5. The Oracle predefined non-scalar type SDO_GEOMETRY has several fields, some of which are also non-scalar. (a) briefly indicate what the 5 fields of SDO_GEOMETRY are (b) assuming you are in the Oracle interpreter, what can you type to see see the exact datatypes of these 5 fields (c) Hawai is usually shown as a multi-gon, most often as 7 islands. Explain the consequences this has for the last two fields of its SDO_GEOMETRY. That is, how does this differ from a single polygo in terms of its appearance and structure